Glint-Horn Buccaneer [Core Set 2020 Prerelease Promos] Eternal Masters Grandeur — Discard another card

Grandeur — Discard another card named Korlash

but how could that be

Set: Fifth Dawn Type: Artifact Rare Cost: {3} You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast

You may not sacrifice a creature that is already on its way to the graveyard

Glint-Horn Buccaneer [Core Set 2020 Prerelease Promos] Eternal Masters Grandeur — Discard another cardSet: Core Set 2020 Prerelease Promos Type: Creature Minotaur Pirate Rarity: Rare Cost: {1}{R}{R} Haste Whenever you discard a card, Glint Horn Buccaneer deals 1 damage to each opponent. {1}{R}, Discard a card: Draw a card. Activate this ability only if Glint Horn Buccaneer is attacking.